Tagged Questions

FFmpeg is a free software project that produces libraries and programs for handling multimedia data. The most notable parts of FFmpeg are libavcodec, an audio/video codec library used by several other projects, libavformat, an audio/video container mux and demux library, and the ffmpeg command line ...

I need to compress some videos about laboratory experiments which contain motions of some objects.
Since in analysis time intervalls on the video are needed as accurate as the camera captured them, ...

I have set up a server to upload and play videos. I used django/python as the scripting language, and nginx and gunicorn as the webserver. I am using videojs as the video player.
For h264 mp4 I tried ...

I want to upload few sets of videos on my server and later play them in the HTML5 video tag. But some of them are not playing.
I checked the audio stream and video stream of the video, they have AAC ...

I want to know how to use the scale filter to take an image that is 2154x1136 and scale it down exactly 89.04% such that the image sits in a 1920x1080 frame, with full image left and right and black ...

I'd like to stream WebM videos to browsers that don't support it (like Safari/IE). I have no problem in converting the video to a supportable format (like MP4), but the encoding should be on-demand, ...

I am wondering if there is a possibility to do custom video transitions or filters. Like the video spiraling out, little squares appearing, circling out or something like that. Wiping the video out ...

This is my first post here. I am in a situation where my original file is of profile High and transcoding profile is High10. I am suspecting that this is the cause my video is not getting played in ...

I have some DVDs I want to save MP4s from. The video files are VOB files. I can play them if I change the extension to .mp4, but I can't use the seek bar in Windows Media Player. Also, the files are ...

Motivation: I would like to seek the frame, then take high quality and exact time screenshots (images) from a video.
The video is length is 00:48:43.71 and 23.98 fps (we can think it is 24 fps, isn't ...

Please forgive the noob question, I'm new here. I've looked for an answer on this forum but not found one so far. I've also tried the BMXlib forum.
I'm trying to convert small video files that have ...

The html5 video tag has a loop attribute. When playing a video in a continuous loop, it doesn't do this seamlessly. I hear cracks and pops at the beginning. With ffmpeg I am able to trim .05 seconds ...

I convert videos using FFMPEG. My goal is to convert them to the MP4 container format (MPEG-4 Part 14) with AAC-encoded audio stream and MPEG-4 part 10-encoded video stream.
I use the following line ...

I am currently working with the drawtext and drawbox filters to recreate a similar video appearance to what is shown below in the image. I am trying to see of a possible ways to add a count down timer ...

I am currently working with the drawtext filter. So far I have only been successful with drawtext option configurations to use the right font and place the text horizontally centered. How could i get ...

I am currently fiddling with ffmpeg to achieve a freeze frame effect and so far have been unsuccessful. I have been able to do this with adobe after effects shown here. However I would like to achieve ...

Looking for a way to use ffmpeg dshow to open a tv capture card within windows. I have tried running the list devices command and my usb capture does not show. If it is a device limitation, Im happy ...

I have an HD video of a speaker giving a lecture. I would like to resize the video by cropping each frame, but the cropping rectangle needs to be centered on the speaker's head as he moves around the ...

So, I have this animated watermark (MOV w/alpha) that I want to overlay on top of a video. I want to do it multiple times, so once in the beginning, once in the middle and finally towards the end. I'd ...

I'd like to use FFmpeg on the Mac Terminal command line to convert a .WMV file. I'm familiar with the syntax:
ffmpeg -i /path/OriginalMovieFile.wmv /path/NewMovieFile.???
However, my recent attempt ...

Can one dump/extract the Xtra atom from an MP4 file ? I am looking for a solution on a linux system (debian/jessie if possible).
Apparently this atom is used by WMP, as per link. I'd like to be able ...

I have been experimenting with some ffmpeg options and I could not figure out, why the resulting files had been in a format I did not want. After further combing through the man pages, I realized that ...